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SCINET Compiler Workshop

SCINET Compiler Workshop. Feb 17-18, 2009. Tuesday 17 February 2009. 9:00-9:15 Introduction and overview of agenda 9:15-11:15 Compiler Overview-machine independent (Roch) Compiler overview (block diagrams, high level optimizations) and roadmap Compiler Details and flag enhancements

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SCINET Compiler Workshop

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  1. SCINET Compiler Workshop Feb 17-18, 2009

  2. Tuesday 17 February 2009 • 9:00-9:15 Introduction and overview of agenda • 9:15-11:15 Compiler Overview-machine independent (Roch) • Compiler overview (block diagrams, high level optimizations) and roadmap • Compiler Details and flag enhancements • O4, O5, qhot, qipa, inlining, stackcheck, pdf • why qhot default in v10/11? • useful information in listings • 11:15-11:30 break • 11:30-12:30 POWER6 overview - hardware (Jim) • P6 processor (Caches, functional units, MC, fabric) • SMT, prefetch, … • Systems (HE, IH, L4, HV4, HV8) – focus on IH • Including which exploit 2 MC, 2B vs. 4B vs. 8B fabric • Clock speeds • Hand Tuning Recommendations • Separation of FP Compare and Branch • FP Store double pair • 12:30-2:15 Lunch • 2:15-3:30 Compiling for POWER6 (Damien) • Compiler flags specific to power6 • SIMD unit (vmx) tuning • Transformation report • 3:30-3:45 break • 3:45-5:00 FORTRAN 2003 Standard (Jim Xia) • 5:00-5:30 Questions, wrap up discussion (all)

  3. Wednesday 18 February 2009 • 9:30-10:30: Compiler Tutorial - Part 1 • Compiler tuning and debugging tips • 10:30-10:45 break • 10:45-12:30: Compiler Tutorial - Part 2 • Compiler tuning and debugging tips • 12:30-1:30 Lunch • 1:30-2:30 Compiler Tutorial - Part 3 • Compiler tuning and debugging tips • 2:30-3:00 Finer grain –qstrict for HPC codes (Ian) • 3:00-3:15 break • 3:15-3:45 Open MP 3.0 (Kelvin Li) • 3:45-4:15 Co-Array Fortran (Jim) • 4:15-4:45 UPC (Kit) • 4:45-5:00 Questions, wrap up discussion

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